Policy Setting Support Tool

1. A policy setting support tool for creating, in a computer system equipped with an access control unit that controls access to computer-managed resources based on policies, said policy setting support tool comprising: a first information database arranged by the kind of subject containing sample policies prepared as standard or recommended policies, an access log holding a history of the normal behavior of the subject, and installation information including the path to the subject installed in said computer system; a second information database arranged by the kind of object containing association information representing the subjects that are most frequently used to access the object; an access monitoring unit for monitoring the behavior of the subject and recording it in said access log; a differential detection unit for collating said installation information with said sample policy and detecting the differences between them; a policy creation unit for creating a draft policy based on said sample policy, said association information, and said differences detected by said differential detection unit; and a user interface unit for presenting said draft policy to the user, revising said draft policy as directed by the user, and saving the revised policy as the final policy.

2. The policy setting support tool of claim 1 , further comprising: a unit for creating a draft policy from one or more of said sample policy, said association information, and said access log, in accordance with the directions given by the user through said user interface unit, and a unit for setting up a policy by accepting requests for revising said draft policy and saving the revised policy.

3. A policy setting support tool for maintaining, in a computer system equipped with an access control unit that controls access to computer-managed resources based on policies, said policy setting support tool comprising: an information database or a set of information database containing most up-to-date information regarding the subjects and objects of access; a differential detection unit for collating the most up-to-date information regarding the subject and object of the access retrieved from said information database or said set of information database with the policies that are already set up, and detecting the items that need to be revised; a policy creation unit for creating a draft policy based on the result of detection produced by said differential detection unit; and a user interface unit for presenting said draft policy to the user for visual confirmation and revising said draft policy as directed by the user.

4. The policy setting support tool of claim 3 , wherein said differential detection unit performs the collation and detection processing at regular intervals or at the demand of the user, and upon detecting any difference, presents the detected difference to the user through said user interface unit, and further wherein the user of said policy setting support tool visually checks said difference presented to the user, determines whether the policy should be revised as presented, revises it if and as necessary through said user interface unit, and saves the final policy.